/Engine/Source/Runtime/CoreUObject/Public/UObject/Class.h
template<typename EnumType, typename IntegralType, std::enable_if_t<([TIsEnum](API\Runtime\Core\Templates\TIsEnum)< EnumType >::Value &&std::is_integral_v< IntegralType >), int >> static void GetValueOrBitfieldAsString ( const IntegralType EnumeratorValue, [FString](API\Runtime\Core\Containers\FString) & out_StringValue )